December Weather in Lestijaervi, Finland

Last updated: August 23, 2025

In December, the average temperature in Lestijaervi, Finland hovers around -4°C (25°F). However, be prepared for chilly extremes, as temperatures can drop to a brisk -22°C (-8°F) and occasionally peak at a mild 5°C (40°F). With an average precipitation of 50 mm (2.0 in) spread over 13 days, you can expect wet conditions. Don’t forget to bundle up, as the average humidity is a high 95%!

December Temperature in Lestijaervi

In December in Lestijaervi, the average temperature is -4°C (25°F). Maximums can reach 5°C (40°F) and minimums can be as low as -22°C (-8°F). Travelers should prepare for cold weather and dress warmly during this time.

December Weather in Lestijaervi: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Lestijaervi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lestijaervi, December typically has an average temperature of -4°C (25°F), with highs reaching up to 5°C (40°F) and lows dropping to around -22°C (-8°F).

Data source: Temperature data for Lestijaervi generated using information from the Copernicus Climate Change Service.

December Precipitation in Lestijaervi

In Lestijaervi in December, the precipitation amount is 50 mm (2.0 in), spread over 13 days.

December Precipitation Trends in Lestijaervi

The chart displays monthly precipitation patterns in Lestijaervi, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Lestijaervi, December typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Lestijaervi

In Lestijaervi in December humidity is 95%. With an average temperature of -4°C (25°F), this humidity feels like a biting chill that seeps into your bones, making outdoor travel uncomfortable and necessitating warm layers to combat the dampness.

December Average Humidity in Lestijaervi

This chart illustrates the average monthly humidity levels in Lestijaervi, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Lestijaervi is approximately 95%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lestijaervi

In Lestijaervi in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Lestijaervi.

Maximum UV Index Levels in Lestijaervi for December

The chart shows the monthly maximum UV Index (UVI) for Lestijaervi in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Lestijaervi typically reaches 1, which falls under the low exposure category.

Data source: Lestijaervi December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How December Weather in Lestijaervi Compares to Other Months

Weather in Lestijaervi varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Lestijaervi, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Lestijaervi, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	39 mm (1.5 inches)	97%	low
February Weather	-7°C (20°F)	40 mm (1.6 inches)	95%	low
March Weather	-3°C (27°F)	39 mm (1.5 inches)	92%	low
April Weather	2°C (36°F)	44 mm (1.7 inches)	85%	moderate
May Weather	8°C (47°F)	64 mm (2.5 inches)	77%	moderate
June Weather	15°C (59°F)	58 mm (2.3 inches)	74%	high
July Weather	16°C (62°F)	76 mm (3.0 inches)	79%	high
August Weather	14°C (58°F)	94 mm (3.7 inches)	82%	moderate
September Weather	9°C (49°F)	78 mm (3.1 inches)	89%	moderate
October Weather	4°C (39°F)	86 mm (3.4 inches)	93%	low
November Weather	0°C (32°F)	62 mm (2.5 inches)	93%	low
December Weather	-4°C (25°F)	50 mm (2.0 inches)	95%	low